representing point data as a gridded polygon layer. Both methods allow you to see patterns in the data that are difficult to visualize when a layer contains large numbers of
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5 msgid "A.M. Kuchling" msgstr "A.M. Kuchling" #: ../../whatsnew/2.5.rst:12 msgid "" "This article explains the new features in Python 2.5. The final release of " "Python 2.5 is scheduled for August 2006; :pep:`356` describes the planned " "release schedule. Python 2.5 was ...
will result in six subtests, each identified in the unittest verbose output with a label consisting of the variable name i and a particular value for that variable (i=0, i=1, etc). See 使用子测试区分测试迭代 for the full version of this example. (Contributed by Antoine Pitrou in bpo-...
在3.5.2 版更改: Starting with CPython 3.5.2, __aiter__ can directly return asynchronous iterators. Returning an awaitable object will result in a PendingDeprecationWarning. See more details in the 异步迭代器 documentation section. 参见 PEP 492 -- 使用 async 和 await 语法实现协程 PEP 由 Yury...
The order of elements in **kwargs now corresponds to the order in which keyword arguments were passed to the function. DTrace and SystemTap probing support has been added. The new PYTHONMALLOC environment variable can now be used to debug the interpreter memory allocation and access errors. Si...
Most notably, the loop variable (obj in the above example) is not accessible outside of the generator expression. List comprehensions leave the variable assigned to its last value; future versions of Python will change this, making list comprehensions match generator expressions in this respect. ...
A new command-line switch,-3, enables warnings about features that will be removed in Python 3.0. You can run code with this switch to see how much work will be necessary to port code to 3.0. The value of this switch is available to Python code as the boolean variablesys.py3kwarning,...
Augmented assignment operators, another long-requested feature, have been added to Python 2.0. Augmented assignment operators include +=, -=, *=, and so forth. For example, the statement a += 2 increments the value of the variable a by 2, equivalent to the slightly lengthier a = a + 2...
The NEDPATH environment variable has been renamed to OMNETPP_NED_PATH, but the old one is still recognized for backward compatibility. Multiple -n options are now accepted. Also, the NEDPATH environment variable used to be ignored when a -n option was present, no longer so. Excluding ...